Because July 4th falls on a Wedneday, a lot of Americans will spend a five-day weekend traveling and drinking. It's pretty common to misplace a wallet or a purse on that kind of vacation. And getting on a return flight without a valid ID, as you might imagine, is not easy. But it can be done. Here's how to work it… »7/03/12 3:20pm 7/03/12 3:20pm